3600mAh Extended Battery + Back Cover For Samsung i9100 Galaxy S2 - Walmart.com
Ciszean 1x 3500mah Eb-f1a2gbu Extended Battery + 2 Optional Color Cover For Samsung Galaxy S2 Ii I9100 Black Or White - Mobile Phone Batteries - AliExpress
EB-L1D7IBA Extended Battery with cover for AT&T Galaxy S 2 Skyrocket 4G, Galaxy S II Skyrocket 4G, Galaxy S2 Skyrocket 4G, Galaxy SII Skyrocket 4G, SGH-I727, Skyrocket, SAMSUNG SGH-I72 - Walmart.com
Replacement Battery for Samsung Galaxy S2 Skyrocket - Battery Warehouse
Ciszean 1x 3500mah Eb-f1a2gbu Extended Battery + 2 Optional Color Cover For Samsung Galaxy S2 Ii I9100 Black Or White - Mobile Phone Batteries - AliExpress